Improper input validation in Xlib - CVE-2018-14598

 

Improper input validation in Xlib - CVE-2018-14598

Published: August 23, 2018


Vulnerability identifier: #VU14505
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-14598
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: X.org
Affected software:
Xlib

Detailed vulnerability description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to an error when handling malicious input. A remote unauthenticated attacker can cause a remote server to return a specially crafted reply to cause the target X client to crash.


How to mitigate CVE-2018-14598

Install update from vendor's website.

Sources